diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 82538b60..fab0e074 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
       - id: black
 
   - repo: https://github.com/keewis/blackdoc
-    rev: v0.3.3
+    rev: v0.3.4
     hooks:
       - id: blackdoc
 
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c60462e5..f62cc87d 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,8 +4,9 @@ version: 2
 build:
   image: latest
 
-conda:
-  environment: ci/environment.yml
+python:
+  install:
+    - requirements: ci/environment_pip.txt
 
 sphinx:
   configuration: portal/conf.py
diff --git a/ci/environment_pip.txt b/ci/environment_pip.txt
new file mode 100644
index 00000000..f897babf
--- /dev/null
+++ b/ci/environment_pip.txt
@@ -0,0 +1,7 @@
+myst-nb==0.12.3
+sphinx-book-theme
+sphinx-panels
+matplotlib
+pandas
+pyyaml
+pre-commit